.top{
  position:fixed;top:0;z-index:99;width:100%;height:50px;background: whitesmoke;display: flex;flex-direction: row;
  justify-content: space-between;flex-wrap: nowrap;align-items: center;
}
span{
  font-size: 20px;color:black;
}
img{
  height:25px;width:25px
}
.channel{
  margin-left:20px;margin-right:20px;margin-top: 10px;
}
.my_channel{
  display: flex;flex-direction: row;flex-wrap: wrap;align-items: center;justify-content: flex-start;
}
.my_child{
  width:70px;height:35px;background: skyblue;font-size: 20px;line-height: 35px;padding-left:30px;border-radius: 10px;
  margin-left: 10px;margin-top:20px;
}
.my_child:hover{
  cursor: pointer;background: red;
}
